Infiniti G35 (V35) Sedan. Manual — part 1294
![](/vehicles/zatt/tenge/utoanga/qulea.png)
STC-66
< COMPONENT DIAGNOSIS >
[WITH 4WAS]
C1655 4WAS FRONT DRIVER
C1655 4WAS FRONT DRIVER
Description
INFOID:0000000000958778
• It perform control inside 4WAS front control unit.
• The power supply for 4WAS front motor (3-phase motor).
DTC Logic
INFOID:0000000000958779
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
RECHECK DTC
With CONSULT-III
1.
Turn the ignition switch OFF to ON.
2.
Perform 4WAS front control unit self-diagnosis.
Is DTC “C1655” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000958780
1.
CHECK 4WAS REAR MOTOR GROUND
1.
Turn the ignition switch OFF.
2.
Disconnect 4WAS front control unit harness connector.
3.
Check the continuity between 4WAS front control unit harness connector and the ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace the harnesses and connectors.
2.
PERFORM SELF-DIAGNOSIS (4WAS FRONT CONTROL UNIT)
With CONSULT-III
1.
Connect 4WAS front control unit harness connector.
2.
Perform 4WAS front control unit self-diagnosis.
Is DTC “C1622” detected?
YES
>> Check the error system.
NO
>> Replace 4WAS front control unit. Refer to
.
Special Repair Requirement
INFOID:0000000000958781
BEFORE REPLACING 4WAS FRONT CONTROL UNIT
• Record the self-diagnosis results (history).
CAUTION:
• Replace it without erasing the memory (history) of self-diagnosis results when replacing 4WAS
front control unit after diagnosis.
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
C1655
PRE-DRIVER
4WAS rear motor 3-phase current error is detected.
(Current is not applied to 4WAS front motor)
4WAS front control unit or
4WAS front motor power
supply error is detected.
4WAS front control unit
Continuity
Connector
Terminal
M203
12 – Ground
Existed
C1655 4WAS FRONT DRIVER
STC-67
< COMPONENT DIAGNOSIS >
[WITH 4WAS]
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
• Erase the memory of the self-diagnosis results (record) after printing out or recording all the val-
ues of “DATA MONITOR” when erasing the memory of the self-diagnosis results (record).
AFTER REPLACING 4WAS FRONT CONTROL UNIT
• Perform 4WAS front actuator adjustment after replacing 4WAS front control unit. Refer to
FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement (Pattern 3)"
![](/vehicles/zatt/tenge/utoanga/yorinc.png)
STC-68
< COMPONENT DIAGNOSIS >
[WITH 4WAS]
C1661 4WAS FRONT LOCK SOLENOID VALVE
C1661 4WAS FRONT LOCK SOLENOID VALVE
Description
INFOID:0000000000958782
• Secure the inside of 4WAS front actuator temporarily. (It operates when performing active test with fail-safe
function and CONSULT-III.)
• 4WAS front lock solenoid valve is activated in the active test (lock release). The secured 4WAS front actua-
tor is released.
• 4WAS front control unit controls 4WAS front actuator. 4WAS front actuator releases the lock when the
engine speed signal is “ON”. 4WAS front actuator applies the lock when the engine speed signal is “OFF”.
DTC Logic
INFOID:0000000000958783
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
RECHECK DTC
With CONSULT-III
1.
Turn the ignition switch OFF to ON.
2.
Perform 4WAS front control unit self-diagnosis.
Is DTC “C1661” detected?
YES
>> Proceed to diagnosis procedure. Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000000958784
1.
CHECK 4WAS FRONT SOLENOID VALVE CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect 4WAS front actuator harness connector.
3.
Check the resistance between 4WAS front actuator harness connectors.
4.
Check the continuity between 4WAS front actuator harness connector and the ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace 4WAS front actuator. Refer to
ST-21, "WITH 4WAS : Exploded View"
2.
CHECK INFORMATION
With CONSULT-III
1.
Connect 4WAS front actuator harness connector.
2.
Check the “DATA MONITOR” value of each DTC detected with the self-diagnosis function. Refer to
DTC
Items
(CONSULT-III screen terms)
Diagnostic item is detected when...
Possible cause
C1661
LOCK SOLENOID
If 4WAS front lock solenoid valve error is detected
(An electric activation error is detected.)
4WAS front control unit or
4WAS front lock solenoid
valve error is detected.
4WAS front actuator
Resistance
(Approx.)
Connector
Terminal
Connector
Terminal
M351
10
M351
3
1 – 100
Ω
4WAS front actuator
Continuity
Connector
Terminal
M351
3 – Ground
Not existed
10 – Ground
![](/vehicles/zatt/tenge/utoanga/doulalerag.png)
C1661 4WAS FRONT LOCK SOLENOID VALVE
STC-69
< COMPONENT DIAGNOSIS >
[WITH 4WAS]
C
D
E
F
H
I
J
K
L
M
A
B
STC
N
O
P
Is each data the standard value?
YES
>> Check each harness connector pin terminal for disconnection.
NO
>> Replace 4WAS front control unit. Refer to
.
Component Inspection (4WAS Front Lock Solenoid Valve)
INFOID:0000000000958785
1.
CHECK 4WAS FRONT SOLENOID VALVE CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect 4WAS front actuator harness connector.
3.
Check the resistance between 4WAS front actuator harness connectors.
4.
Check the continuity between 4WAS front actuator harness connector and the ground.
Is the inspection result normal?
YES
>> INSPECTION END.
NO
>> Replace 4WAS front actuator. Refer to
ST-21, "WITH 4WAS : Exploded View"
Special Repair Requirement
INFOID:0000000000958786
AFTER REPLACING 4WAS FRONT ACTUATOR
• Perform 4WAS front actuator adjustment after replacing 4WAS front actuator. Refer to
FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement (Pattern 2)"
BEFORE REPLACING 4WAS FRONT CONTROL UNIT
• Record the self-diagnosis results (history).
CAUTION:
• Replace it without erasing the memory (history) of self-diagnosis results when replacing 4WAS
front control unit after diagnosis.
• Erase the memory of the self-diagnosis results (record) after printing out or recording all the val-
ues of “DATA MONITOR” when erasing the memory of the self-diagnosis results (record).
AFTER REPLACING 4WAS FRONT CONTROL UNIT
• Perform 4WAS front actuator adjustment after replacing 4WAS front control unit. Refer to
FRONT ACTUATOR NEUTRAL POSITION ADJUSTMENT : Special Repair Requirement (Pattern 3)"
4WAS front actuator
Resistance
(Approx.)
Connector
Terminal
Connector
Terminal
M351
10
M351
3
1 – 100
Ω
4WAS front actuator
Continuity
Connector
Terminal
M351
3 – Ground
Not existed
10 – Ground
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст